✓ Purity · passBatch · ASTR-62253Shop-provided sample
GHK-Cu × Astra Peptides — Lab Test, January 2026
Tested · submitted by @Frank 👑 Legend
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
99.41%
✓ Excellent purity only
COA on file — not portal-verified
This lab doesn't publish a public lookup, so we can't confirm the certificate against the lab's own record. The document was reviewed before publication, but it rests on our review alone.
What portal verification means →Test results
7 data points
Purity
99.41%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
100 mg
Tested qty
99 mg
Qty match
99% of labeled · -1%
0label125%
Batch / Lot
ASTR-62253
Container
Blue Lyophilized Powder
Tested by
Horizon AnalyticalView profile →
This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.
About this test
Independent HPLC purity analysis of GHK-Cu from astrapeptides.com, performed by Horizon Analytical on January 12, 2026. Reported purity: 99.41%. Net content: 99 mg against 100 mg labeled (99% of label). Batch ASTR-62253. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Original document
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